{"id":793,"date":"2009-12-13T12:53:00","date_gmt":"2009-12-13T04:53:00","guid":{"rendered":""},"modified":"2013-11-17T16:50:34","modified_gmt":"2013-11-17T08:50:34","slug":"delphi%e9%ab%98%e7%b2%be%e5%ba%a6%e8%ae%a1%e6%97%b6%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/793.html","title":{"rendered":"Delphi\u9ad8\u7cbe\u5ea6\u8ba1\u65f6\u65b9\u6cd5"},"content":{"rendered":"<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\n\/\/\u53d6\u6beb\u79d2\u7ea7\u65f6\u95f4\u7cbe\u5ea6(\u65b9\u6cd5\u4e00)\uff1a\r\nvar\r\nt1,t2:int64;\r\nr1:int64;\r\nbegin\r\nt1:=GetTickCount;\/\/\u83b7\u53d6\u5f00\u59cb\u8ba1\u6570 WINDOWS API\r\nsleep(1000);{do...}\/\/\u6267\u884c\u8981\u8ba1\u65f6\u7684\u4ee3\u7801\r\nt2:=GetTickCount;\/\/\u83b7\u53d6\u7ed3\u675f\u8ba1\u6570\u503c\r\nr1:=t2-t1;\/\/\u53d6\u5f97\u8ba1\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u6beb\u79d2(ms)\r\nshowmessage(inttostr(r1));\r\nend;\r\n\r\n    \/\/\u53d6\u6beb\u79d2\u7ea7\u65f6\u95f4\u7cbe\u5ea6(\u65b9\u6cd5\u4e8c)\uff1a\r\n\/\/use DateUtils;\/\/\u5f15\u7528DateUtils\u5355\u4f4d\r\nvar\r\nt1,t2:tdatetime;\r\nr1:int64;\r\nbegin\r\nt1:=now();\/\/\u83b7\u53d6\u5f00\u59cb\u8ba1\u65f6\u65f6\u95f4\r\nsleep(1000);{do...}\/\/\u6267\u884c\u8981\u8ba1\u65f6\u7684\u4ee3\u7801\r\nt2:=now();\/\/\u83b7\u53d6\u7ed3\u675f\u8ba1\u65f6\u65f6\u95f4\r\nr1:=SecondsBetween(t2,t1);\/\/\u53d6\u5f97\u8ba1\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u79d2(s)\r\nr1:=MilliSecondsBetween(t2,t1);\/\/\u53d6\u5f97\u8ba1\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u6beb\u79d2(ms)\r\nshowmessage(inttostr(r1));\r\nend;\r\n\r\n\/\/\u6ce8\uff1a\u4ee5\u4e0a\u4e24\u79cd\u65b9\u5f0f\u7ecf\u672c\u4eba\u6d4b\u8bd5\u597d\u50cf\u53ea\u80fd\u4ea7\u751f0.01\u79d2\u7684\u8ba1\u65f6\u7cbe\u5ea6\r\n\r\n\/\/\u53d6\u7cfb\u7edf\u7ea7\u65f6\u95f4\u7cbe\u5ea6\uff1a\r\nvar\r\nc1:int64;\r\nt1,t2:int64;\r\nr1:double;\r\nbegin\r\nQueryPerformanceFrequency(c1);\/\/WINDOWS API \u8fd4\u56de\u8ba1\u6570\u9891\u7387(Intel86:1193180)(\u83b7\u5f97\u7cfb\u7edf\u7684\u9ad8\u6027\u80fd\u9891\u7387\u8ba1\u6570\u5668\u5728\u4e00\u6beb\u79d2\u5185\u7684\u9707\u52a8\u6b21\u6570)\r\nQueryPerformanceCounter(t1);\/\/WINDOWS API \u83b7\u53d6\u5f00\u59cb\u8ba1\u6570\u503c\r\nsleep(1000);{do...}\/\/\u6267\u884c\u8981\u8ba1\u65f6\u7684\u4ee3\u7801\r\nQueryPerformanceCounter(t2);\/\/\u83b7\u53d6\u7ed3\u675f\u8ba1\u6570\u503c\r\nr1:=(t2-t1)\/c1;\/\/\u53d6\u5f97\u8ba1\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u79d2(s)\r\nr1:=(t2-t1)\/c1*1000;\/\/\u53d6\u5f97\u8ba1\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u6beb\u79d2(ms)\r\nr1:=(t2-t1)\/c1*1000000;\/\/\u53d6\u5f97\u8ba1\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u5fae\u79d2\r\nshowmessage(floattostr(r1));\r\nend;\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\/\/\u53d6\u6beb\u79d2\u7ea7\u65f6\u95f4\u7cbe\u5ea6(\u65b9\u6cd5\u4e00)\uff1a var t1,t2:int64; r1:int64; begin t1:=G [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-793","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=793"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/793\/revisions"}],"predecessor-version":[{"id":4707,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/793\/revisions\/4707"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}